// SJS file for CSP frame ancestor mochitests
function handleRequest(request, response) {
  var query = {};
  request.queryString.split("&").forEach(function (val) {
    var [name, value] = val.split("=");
    query[name] = unescape(value);
  });

  var isPreflight = request.method == "OPTIONS";

  //avoid confusing cache behaviors
  response.setHeader("Cache-Control", "no-cache", false);

  // grab the desired policy from the query, and then serve a page
  if (query.csp) {
    response.setHeader("Content-Security-Policy", unescape(query.csp), false);
  }
  if (query.scriptedreport) {
    // spit back a script that records that the page loaded
    response.setHeader("Content-Type", "text/javascript", false);
    if (query.double) {
      response.write(
        'window.parent.parent.parent.postMessage({call: "frameLoaded", testname: "' +
          query.scriptedreport +
          '", uri: "window.location.toString()"}, "*");'
      );
    } else {
      response.write(
        'window.parent.parent.postMessage({call: "frameLoaded", testname: "' +
          query.scriptedreport +
          '", uri: "window.location.toString()"}, "*");'
      );
    }
  } else if (query.internalframe) {
    // spit back an internal iframe (one that might be blocked)
    response.setHeader("Content-Type", "text/html", false);
    response.write("<html><head>");
    if (query.double) {
      response.write(
        '<script src="file_frameancestors.sjs?double=1&scriptedreport=' +
          query.testid +
          '"></script>'
      );
    } else {
      response.write(
        '<script src="file_frameancestors.sjs?scriptedreport=' +
          query.testid +
          '"></script>'
      );
    }
    response.write("</head><body>");
    response.write(unescape(query.internalframe));
    response.write("</body></html>");
  } else if (query.externalframe) {
    // spit back an internal iframe (one that won't be blocked, and probably
    // has no CSP)
    response.setHeader("Content-Type", "text/html", false);
    response.write("<html><head>");
    response.write("</head><body>");
    response.write(unescape(query.externalframe));
    response.write("</body></html>");
  } else {
    // default case: error.
    response.setHeader("Content-Type", "text/html", false);
    response.write("<html><body>");
    response.write("ERROR: not sure what to serve.");
    response.write("</body></html>");
  }
}
